{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T11:18:43Z","timestamp":1774264723142,"version":"3.50.1"},"reference-count":52,"publisher":"Portland Press Ltd.","issue":"3","content-domain":{"domain":["portlandpress.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2014,12,15]]},"abstract":"<jats:p>POLH (DNA polymerase \u03b7), a target of p53 tumour suppressor, plays a key role in TLS (translesion DNA synthesis). Loss of POLH is responsible for the human cancer-prone syndrome XPV (xeroderma pigmentosum variant). Owing to its critical role in DNA repair and genome stability, POLH expression and activity are regulated by multiple pathways. In the present study, we found that the levels of both POLH transcript and protein were decreased upon knockdown of the transcript encoding PCBP1 [poly(rC)-binding protein 1]. We also found that the half-life of POLH mRNA was markedly decreased upon knockdown of PCBP1. Moreover, we found that PCBP1 directly bound to the POLH 3\u2032-UTR and the PCBP1-binding site in POLH mRNA is an atypical AU-rich element. Finally, we showed that the AU-rich element in POLH 3\u2032-UTR was responsive to PCBP1 and sufficient for PCBP1 to regulate POLH expression. Taken together, we uncovered a novel mechanism by which POLH expression is controlled by PCBP1 via mRNA stability.<\/jats:p>","DOI":"10.1042\/bj20141164","type":"journal-article","created":{"date-parts":[[2014,10,1]],"date-time":"2014-10-01T15:08:50Z","timestamp":1412176130000},"page":"377-386","update-policy":"https:\/\/doi.org\/10.1042\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["DNA polymerase \u03b7 is regulated by poly(rC)-binding protein 1 via mRNA stability"],"prefix":"10.1042","volume":"464","author":[{"given":"Cong","family":"Ren","sequence":"first","affiliation":[{"name":"Comparative Oncology Laboratory, Schools of Medicine and Veterinary Medicine, University of California at Davis, Davis, CA 95616, U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seong-Jun","family":"Cho","sequence":"additional","affiliation":[{"name":"Comparative Oncology Laboratory, Schools of Medicine and Veterinary Medicine, University of California at Davis, Davis, CA 95616, U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong-Sam","family":"Jung","sequence":"additional","affiliation":[{"name":"Comparative Oncology Laboratory, Schools of Medicine and Veterinary Medicine, University of California at Davis, Davis, CA 95616, U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinbin","family":"Chen","sequence":"additional","affiliation":[{"name":"Comparative Oncology Laboratory, Schools of Medicine and Veterinary Medicine, University of California at Davis, Davis, CA 95616, U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"288","published-online":{"date-parts":[[2014,12,5]]},"reference":[{"key":"2021112216112595300_B1","doi-asserted-by":"publisher","first-page":"756","DOI":"10.1038\/nrg2663","article-title":"Disorders of nucleotide excision repair: the genetic and molecular basis of heterogeneity","volume":"10","author":"Cleaver","year":"2009","journal-title":"Nat. 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